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at only 2.3 at% Pt and maintains high activity even after operation for 180,000 s. Both experimental and theoretical results reveal that the high-entropy structure induces a synergistic effect, wherein the elements coordinated around single-atom Pt sites effectively remove adsorbed CO from Pt. This mechanism facilitates the key reaction steps of methanol oxidation reaction and avoids CO poisoning. This work presents a high-entropy alloyed single-atom strategy to realize efficient and durable methanol oxidation reaction catalysis with low costs.
Liu et al. (Thu,) studied this question.